1 files changed, 23 insertions, 4 deletions

diff --git a/drivers/net/wireless/ath/ath.h b/drivers/net/wireless/ath/ath.h
index 71fc960814f0..d32f2828b098 100644
--- a/drivers/net/wireless/ath/ath.h
+++ b/drivers/net/wireless/ath/ath.h
@@ -48,6 +48,12 @@ enum ath_device_state {
         ATH_HW_INITIALIZED,
 };
 
+enum ath_bus_type {
+        ATH_PCI,
+        ATH_AHB,
+        ATH_USB,
+};
+
 struct reg_dmn_pair_mapping {
         u16 regDmnEnum;
         u16 reg_5ghz_ctl;
@@ -65,17 +71,30 @@ struct ath_regulatory {
         struct reg_dmn_pair_mapping *regpair;
 };
 
+/**
+ * struct ath_ops - Register read/write operations
+ *
+ * @read: Register read
+ * @write: Register write
+ * @enable_write_buffer: Enable multiple register writes
+ * @disable_write_buffer: Disable multiple register writes
+ * @write_flush: Flush buffered register writes
+ */
 struct ath_ops {
         unsigned int (*read)(void *, u32 reg_offset);
-        void (*write)(void *, u32 val, u32 reg_offset);
+        void (*write)(void *, u32 val, u32 reg_offset);
+        void (*enable_write_buffer)(void *);
+        void (*disable_write_buffer)(void *);
+        void (*write_flush) (void *);
 };
 
 struct ath_common;
 
 struct ath_bus_ops {
-        void            (*read_cachesize)(struct ath_common *common, int *csz);
-        bool            (*eeprom_read)(struct ath_common *common, u32 off, u16 *data);
-        void            (*bt_coex_prep)(struct ath_common *common);
+        enum ath_bus_type ath_bus_type;
+        void (*read_cachesize)(struct ath_common *common, int *csz);
+        bool (*eeprom_read)(struct ath_common *common, u32 off, u16 *data);
+        void (*bt_coex_prep)(struct ath_common *common);
 };
 
 struct ath_common {